Skin treatment device



FIG. 1 is a top perspective view of the new design.

FIG. 2 is a front view of the new design.

FIG. 3 is a back view of the new design.

FIG. 4 is a left side view of the new design.

FIG. 5 is a right side view of the new design.

FIG. 6 is a top view of the new design; and,

FIG. 7 is a bottom view of the new design.

The broken lines shown in the drawings are for the purpose of illustrating portions of the skin treatment device and form no part of the claimed design. 

CLAIM The ornamental design for a skin treatment device, as shown and described. 